__Helen_______(wash) clothes?yes,she is.
问题描述：
__Helen_______(wash) clothes?yes,she is.
答
Is Helen washing clothes?
答
Is washing
答
__Helen_______)(洗衣服吗?是的,她是。
答
【Is】Helen 【washing】(wash) clothes? Yes,she is.
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答
Is washing 因为他的回答用的是she is,第一个空就要填is,这样就变成现在进行时,wash 要变为washing